| 单词 | 嘧啶 |
| 释义 | 〔pyrimidine〕Any of several basic compounds derived from or structurally related to pyrimidine, especially the nucleic acid constituents uracil, cytosine, and thymine.嘧啶类：由嘧啶衍生出来或在结构上与嘧啶有关的一种基本混合物尤指核酸组成的尿嘧啶，胞嘧啶和胸腺嘧啶〔transversion〕A point mutation in which a purine is replaced by a pyrimidine, or a pyrimidine is replaced by a purine.转置点，易位点：用嘧啶代替嘌呤或用嘌呤代替嘧啶的点突变〔dCTP〕One of the two pyrimidine nucleotides that are used to synthesize DNA.脱氧胞苷三磷酸：用来合成脱氧核糖核酸的两个嘧啶核酸之一〔sildenafil〕A drug, C22H 30N 6O 4S, used to treat sexual dysfunction by increasing the level of cyclic GMP, which increases blood flow to erectile tissues. 磺酰嘧啶苯：治疗性功能障碍的药剂，C22H 30N 6O 4S，能增加环鸟苷单磷酸的含量，而环鸟苷单磷酸又能加大勃起组织的血流量 〔dTTP〕One of the two pyrimidine nucleotides that are used to synthesize DNA.脱氧胸腺嘧啶三磷酸：用来合成脱氧核糖核酸的两个嘧啶核苷酸之一〔base〕One of the purines (adenine and guanine) or pyrimidines (cystosine, thymine, and uracil) that occurs attached to the sugar component of DNA or RNA.碱基：嘌呤（腺嘌呤和鸟嘌呤）或嘧啶（胸嘧啶、胸腺嘧啶和尿嘧啶）的一种，附着在脱氧核糖核酸或核糖核酸的糖分子上〔Viagra〕A trademark used for the drug sildenafil citrate.伟哥：磺酰嘧啶苯柠檬酸、希尔旦弗柠檬酸药剂的商标〔thymine〕A pyrimidine base, C5H 6N 2O 2, that is an essential constituent of DNA. 胸腺碱：一种属于脱氧核糖核酸重要成分的嘧啶碱C5H 6N 2O 2 〔nucleoside〕Any of various compounds consisting of a sugar, usually ribose or deoxyribose, and a purine or pyrimidine base, especially a compound obtained by hydrolysis of a nucleic acid, such as adenosine or guanine.核苷：由糖，通常是核糖或脱氧核糖和嘌呤或嘧啶基组成的化合物，尤指从核酸水解中获得的化合物，如腺嘌呤核苷或鸟嘌呤〔pyrimidine〕A crystalline organic base, C4H 4N 2, that is the parent substance of various biologically important derivatives. 嘧啶：一种晶状生物碱，C4H 4N 2，是多种生物性地重要衍生物的亲本物质 |
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